X0306 4 2021-03-31 0 0001492633 Nielsen Holdings plc NLSN 0001278408 POZEN ROBERT C 9 ARLINGTON STREET BOSTON MA 02116 1 0 0 0 Common Stock 2021-03-31 4 A 0 944.33 25.15 A 247580.901 D Represents deferred stock units issued to the Reporting Person at the closing trading price as of March 31, 2021 in lieu of cash compensation pursuant to the terms of the Directors Deferred Compensation Plan (the "Plan"). Each deferred stock unit represents one share of Nielsen common stock and is fully vested. The shares subject to the units will be issued to the Reporting Person at a future date in accordance with the terms of the Plan, and the Reporting Person's plan election. /s/ Jennifer Meschewski, Authorized Signatory 2021-04-01